Mathematics, 07.07.2020 14:01 skylerdemi1
Suposse that test scores are normally distributed with an unknown mean and standard deviation. The scores of 20 students are used to estimate the mean score. What t-score should be used to find the 90% confidence interval for the Suppose that test scores are population mean score?
df to.10 to.05 to.025 to.01 to.005
19 1.328 1.729 2.093 2.539 2.861
20 1.325 1.725 2.086 2.528 2.845
21 1.323 1.721 2.080 2.518 2.831
22 1.321 1.717 2.074 2.508 2.819
Answers: 1
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Suposse that test scores are normally distributed with an unknown mean and standard deviation. The s...
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